Base | Representation |
---|---|
bin | 111001010010100111… |
… | …0110010111000001111 |
3 | 102202120020220200202221 |
4 | 1302211032302320033 |
5 | 4003431442001333 |
6 | 132304133400211 |
7 | 11613553654636 |
oct | 1624516627017 |
9 | 382506820687 |
10 | 123031203343 |
11 | 481a49a8054 |
12 | 1ba16a99067 |
13 | b7a91a5509 |
14 | 5d51b5251d |
15 | 330115ed2d |
hex | 1ca53b2e0f |
123031203343 has 8 divisors (see below), whose sum is σ = 124439094000. Its totient is φ = 121628911488.
The previous prime is 123031203307. The next prime is 123031203371. The reversal of 123031203343 is 343302130321.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 123031203343 - 29 = 123031202831 is a prime.
It is a super-2 number, since 2×1230312033432 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (123031201343) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1355493 + ... + 1443406.
It is an arithmetic number, because the mean of its divisors is an integer number (15554886750).
Almost surely, 2123031203343 is an apocalyptic number.
123031203343 is a deficient number, since it is larger than the sum of its proper divisors (1407890657).
123031203343 is a wasteful number, since it uses less digits than its factorization.
123031203343 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2799401.
The product of its (nonzero) digits is 3888, while the sum is 25.
Adding to 123031203343 its reverse (343302130321), we get a palindrome (466333333664).
The spelling of 123031203343 in words is "one hundred twenty-three billion, thirty-one million, two hundred three thousand, three hundred forty-three".
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